3987496394 has 8 divisors (see below), whose sum is σ = 6835708128. Its totient is φ = 1708927020.

The previous prime is 3987496367. The next prime is 3987496397. The reversal of 3987496394 is 4936947893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3987496397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142410572 + ... + 142410599.

It is an arithmetic number, because the mean of its divisors is an integer number (854463516).

Almost surely, 2^3987496394 is an apocalyptic number.

3987496394 is a deficient number, since it is larger than the sum of its proper divisors (2848211734).

3987496394 is a wasteful number, since it uses less digits than its factorization.

3987496394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284821180.

The product of its digits is 35271936, while the sum is 62.

The square root of 3987496394 is about 63146.6261489876. The cubic root of 3987496394 is about 1585.7453057582.

The spelling of 3987496394 in words is "three billion, nine hundred eighty-seven million, four hundred ninety-six thousand, three hundred ninety-four".